Home / 71,496,331.71-98,662,032.48-40,555,836.69

Finding the Fourth Proportional to 71,496,331.71, 98,662,032.48 and 40,555,836.69

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Solution

The fourth proportional to 71,496,331.71, 98,662,032.48 and 40,555,836.69 is: 55,965,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,496,331.71 : 98,662,032.48 = 40,555,836.69 : x
  2. Step 2: Convert to fraction form
    71,496,331.71/98,662,032.48 = 40,555,836.69/x
  3. Step 3: Cross multiply
    71,496,331.71x = 98,662,032.48 × 40,555,836.69
  4. Step 4: Simplify right side
    71,496,331.71x = 4,001,321,276,762,355.50
  5. Step 5: Solve for x
    x = 4,001,321,276,762,355.50/71,496,331.71
  6. Step 6: Final answer
    x = 55,965,406.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.